103316531 has 8 divisors (see below), whose sum is σ = 113166720. Its totient is φ = 93885568.

The previous prime is 103316527. The next prime is 103316533. The reversal of 103316531 is 135613301.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 103316531 - 2² = 103316527 is a prime.

It is a super-2 number, since 2×103316531² = 21348611155747922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103316497 and 103316506.

It is not an unprimeable number, because it can be changed into a prime (103316533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104291 + ... + 105276.

It is an arithmetic number, because the mean of its divisors is an integer number (14145840).

Almost surely, 2^103316531 is an apocalyptic number.

103316531 is a deficient number, since it is larger than the sum of its proper divisors (9850189).

103316531 is a wasteful number, since it uses less digits than its factorization.

103316531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209613.

The product of its (nonzero) digits is 810, while the sum is 23.

The square root of 103316531 is about 10164.4739657299. The cubic root of 103316531 is about 469.2345031070.

Adding to 103316531 its reverse (135613301), we get a palindrome (238929832).

The spelling of 103316531 in words is "one hundred three million, three hundred sixteen thousand, five hundred thirty-one".